• Causal effects of paternity on children and parents 

      Cools, Sara; Fiva, Jon Hernes; Kirkebøen, Lars Johannessen (Discussion Papers;No. 657, Working paper, 2011)
      Abstract: In this paper we use a parental leave reform directed towards fathers to identify the causal effects of paternity leave on children's and parents' outcomes. We document that paternity leave causes fathers to ...
    • Explaining residential clustering of fertility 

      Bergsvik, Janna; Cools, Sara; Hart, Rannveig Kaldager (Discussion Paper;No. 939, Working paper, 2020-10)
      Numerous studies have shown that fertility behavior is spatially clustered. In addition to pure context effects, two causal mechanisms could drive this pattern. First, neighbors may influence each other’s fertility behavior, ...
    • Explaining Residential Clustering of Large Families 

      Bergsvik, Janna; Cools, Sara; Hart, Rannveig Kaldager (Peer reviewed; Journal article, 2023)
      Numerous studies have shown that fertility behavior is spatially clustered. In addition to pure contextual effects, two causal mechanisms could drive this pattern. First, neighbors may influence each other's fertility and ...
    • Identifying fertility contagion using random fertility shocks 

      Cools, Sara; Kaldager, Rannveig Hart (Discussion Papers;No. 861, Working paper, 2017-06-13)
      Does the fertility behavior of one individual affect the fertility choices of another? This study aims to estimate fertility contagion net of unobserved heterogeneity, using sibling networks as an empirical example. Fertility ...
    • Pappaperm 

      Cools, Sara; Fiva, Jon Hernes; Kirkebøen, Lars Johannessen (Journal article, 2011)
      Flere politikere og kommentatorer uttaler seg om virkningene av at far er hjemme i foreldrepermisjon. Pappaperm hevdes blant annet å bidra til likelønn, færre samlivsbrudd og et sterkere forhold mellom far og barn. I ...
    • The effect of childhood family size on fertility in adulthood. New evidence from IV estimation 

      Cools, Sara; Hart, Rannveig Kaldager (Discussion papers;802, Working paper, 2015-03)
      While fertility is positively correlated across generations, the causal effect of children's experience with larger sibships on their own fertility in adulthood is poorly understood. Using the sex composition of the two ...